mutable、const、volatile关键字 C++中有三种修饰数据可变的关键字:mutable、const、volatile。 const const我们很常见,在定义一些不可变的常量或不修改数据内容的函数时经常会用到。 修饰变量,说明该变量不可以被改变; 修饰指针,分为指向常量的指针(例如constchar*,其自身可变,指向的是常量字符数
@Gregory –“The new additional meanings of const and mutable mean that most of the types have to be thread-safe. And I still do not get what thread-safe means here. And why const implies immutable in C++11. The immutability is not enforced in any way in the language. How can we be...